{"version":"1.0","type":"rich","title":"World Map","description":"This visualization displays a world map with the population of major cities represented by proportional circles. Circles are sized using a square root scale based on each city’s population, overlaid on a gray landmass with graticules and interior borders. Built with React and D3 v5, it uses `geoEqualEarth`, `geoPath`, and `geoGraticule` for the map projection, while city data comes from a CSV file and world geography from TopoJSON.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/778bc91260b842719ed44f9c6478a13e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}